A police affidavit showed Cunningham, who was 70, was working as a security guard at an apartment complex when he went to investigate gunshots and was shot to death early Sunday.

The Commercial Appeal (http://bit.ly/OBrwAe ) reported the arrest of 22-year-old Dock Britt, who was charged with first-degree murder and criminal attempted first-degree murder. His bond had not been set early Monday and further details of the shooting were not yet available.